{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "arguments": ["attacker", "number of victim", "purpose", "tool", "number of data", "damage amount", "compromised data", "place", "time", "victim"]}], "input": "Rather than leaking the information to the dark markets , an IBM X-Force Intelligence Index report revealed that hackers prefer to hold files hostage in exchange for a ransom payment ."}
{"data breach": []}